
      html, body {
        margin: 0;
        padding: 0;
        height: 100%;
        background: linear-gradient(to bottom right, red, gold);
      }
      .box {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 400px;
        height: 250px;
        background-color: rgba(255, 255, 255, .6);
        margin: 100px auto 0;
        border-radius: 10px;
        box-shadow: 10px 10px 10px rgba(0, 0, 0, .5);
      }
      .box > div {
        font-size: 62px;
      }
    